Compute sphere volume from radius using V = (4/3)πr³.
输入球半径,求体积。
| Item | Formula / Note | Source / Standard |
|---|---|---|
| Sphere volume | V = (4/3)πr³ | Archimedes |
| Sphere surface area | S = 4πr² | Archimedes hat-box theorem |
| Relation | V = rS/3 | Geometric relation |
| Diameter form | V = πd³/6 | Algebraic equivalence |
| Archimedes result | Sphere = 2/3 of circumscribed cylinder | On the Sphere and Cylinder |
| Units | Cubic length units | Dimensional rules |